Differences

This shows you the differences between two versions of the page.

--- skill-tree:use:1:1:i [2020/07/05 14:49] – julian-user
+++ skill-tree:use:1:1:i [2021/02/10 12:06] (current) – [Background] kunkel
@@ Line 2: / Line 2: @@
 # Background
-A shell provides advanced capabilities such as variables, redirection of I/O and setup of pipelines and the management of jobs.
+A shell provides advanced capabilities such as redirection of I/O, setup of pipelines and the management of jobs.
 # Aim
@@ Line 8: / Line 8: @@
 # Outcomes
-  * Manage background jobs
+  * Manage background jobs:
-    - The commands fg, bg, jobs
+    * The commands fg, bg, jobs,
-    - The meaning of the & character
+    * The meaning of the & character,
-  * Describe the input and output channels
+  * Describe the input and output channels:
-    - 1, 2
+    * 1, 2
-  * Redirect input and output from/to files
+  * Redirect input and output from/to files:
-    - <<, <, >, >>, &
+    * <<, <, >, >>, &
-  * Design a pipeline for the processing of data using the pipe (|) symbol
+  * Design a pipeline for the processing of data using the pipe (|) symbol.
-  * Assign and using shell variables and the export command
+  * Assign and using shell variables and the export command.
-  * Perform arithmetic operations on variables
+  * Perform arithmetic operations on variables.
-  * Replace the beginning or end of text in the shell using the ${} notation
+  * Replace the beginning or end of the text in the shell using the ${} notation.
-  * Use widely available tools to understand and manage program execution
+  * Use widely available tools to understand and manage program execution:
-    - top
+    * top
-    - ps (-a, -u, -x)
+    * ps (-a, -u, -x)
-    - history
+    * history
-    - which
+    * which
-  * Use tools to search for relevant information and their arguments
+  * Use tools to search for relevant information and their arguments:
-    - grep (-i, -v, -e)
+    * grep (-i, -v, -e)
-    - cut (-b, -c, -f, -d)
+    * cut (-b, -c, -f, -d)
-    - sort (-r, -n, -k)
+    * sort (-r, -n, -k)
-    - sed (for the basic search command and regular expressions)
+    * sed (for the basic search command and regular expressions)